Tractor speed

[09112]

Hi guys, been a long time since I visited this site, as I finished my Allis project. Now I'm trying to find out what gear and rpm I use on my Yanmar YM3810 to attain 4 MPH.

 

[lman]

You could probably use a speedometer app on your phone.

 

[CH4Ohio]

Get someone to walk fast along side the tractor and experiment. Verify with GPS on phone.

 

[09112]

You could probably use a speedometer app on your phone.

Thanks for the input Iman. At 86 I wouldn't know how to use a high tech machine like a speedo on a phone; or even a smart phone for that matter. But hey, It's a good idea anyhow, and I thank you for the input. So define my request a bit, can someone tell me how they figured out the speeds in the olden days?

 

[oldnslo]

Another option is time to cover a known measured distance.

example: 4 MPH it takes 51 seconds to travel 300 feet

 

[ptsg]

While I couldn't find the speed chart for the YM180, I did found one for the YM220, which I believe is the same with 4 HP more.

They didn't list on what size of tire this is based of, but should be very close regardless. The speed is based on 2600 engine RPM. As an example, you can have 4 mph in 6th gear at 1900 RPM.

 

[09112]

My thanks to all of you. I'm spraying a 10 acre pasture and you have given me enough ideas to get me on my way. Again thanks for your input.

 

[dodge man]

When I was younger I could walk four miles an hour, it’s not running but close. Walking 3 mph is fairly easy on the other hand.

 

[CausticUrbanCoast]

Paint a white line on one of your front tires, count the times you see it in a period of time. I use an old travel alarm clock and go for about a minute.

 

[bigtiller]

At 4 mph you will travel 5.87 feet per second.

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